KR20200016454A - Maintenance method using valve with replacement of parts - Google Patents

Abstract

The present invention relates to a maintenance method using a valve having a component-replaceable structure. The maintenance method, which uses a valve having a structure capable of replacing a component of the valve such as a disc or sealing without cutting off a water supply, includes the following steps of: moving a replacement target disc provided in the valve from a fitting part which is a component of the valve; separating a cover part and a finishing panel part sequentially from a combination part which is a component of the valve; installing a gate valve on the upper surface of the combination part, and then installing a plugging device on the upper surface of the gate valve; separating a plug combined inside the combination part through the plugging device; separating the plugging device from the gate valve, and then installing a disc replacement device; replacing the replacement target disc with a new disc by using the disc replacement device; separating the disc replacement device from the gate valve, and then installing the plugging device to combine the plug inside the combination part; separating the plugging device from the gate valve, and then installing the finishing panel part and the cover sequentially on the upper surface of the combination part of the valve; and moving the replaced new disc along a transfer passage of the fitting part through a lifting part of the valve. Therefore, since a component embedded in a valve such as a disc, a sealing or the like can be quickly and simply replaced without cutting off the water supply, economic and time losses can be minimized.

Description

MAINTENANCE METHOD USING VALVE WITH REPLACEMENT OF PARTS}

The present invention relates to a maintenance method using a valve having a structure capable of replacing parts, more specifically, it is possible to quickly and simply replace parts such as discs, seals, and the like embedded in the valve without a single step, thereby reducing time and economic losses. It relates to a maintenance method using a valve made of a structure that can replace parts to minimize the.

In general, the valve facility is an installation that plays an important role in the pipeline for the purpose of blocking, controlling, adjusting the water pressure, preventing backflow.

The valve may be classified into a use, a structure, a type, a material, and the like, and each has unique characteristics, so it is very important to select an optimized valve.

In addition, maintenance is not necessary for the selection of valves and the installation of valves, but the valve used for a long time generates friction between the valve seat and the valve body, which causes wear of the surface of the valve seat and voids. In addition, there is a problem that the leakage of the fluid occurs through the gap and the airtightness is significantly reduced.

In order to solve this problem, in order to replace parts such as valve seats, a pipe connected to the valve is closed by using a stepless method, and a connecting pipe is installed to circulate bypass so that the fluid moved through the connecting pipe is branched. Then replace.

However, the conventional valve parts replacement method has a problem that the replacement time and replacement costs are required to install a shut-off device that blocks the fluid by the endless method.

In addition, to replace the disk of the valve part, there is a problem that the thread is worn while rotating the screw forcibly in the process of elevating the disk up and down.

Due to this problem, only the disk can not be replaced, so the entire valve needs to be replaced, which causes a lot of cost and time.

Related prior arts include Patent Publication No. 10-0883373 (Invention Name: Disc Replaceable Butterfly Valve, Registered Date: February 05, 2009) and Patent Publication No. 10-1723851 (Inventive Name: Disc) Gate valve with replaceable structure, dated March 31, 2017).

The present invention has been devised to solve the problems of the prior art as described above, parts that can be quickly and simply replaced parts such as discs, seals, etc. built into the valve without the singular components that can minimize time and economic losses Its purpose is to maintain and repair the valve with replaceable structure.

Other objects of the present invention may be understood through the features of the present invention, more clearly understood through the embodiments of the present invention, and may be realized by means and combinations indicated in the claims.

The present invention has the following technical features to achieve the problem to be solved by the present invention as described above.

Maintenance method using a valve made of a structure capable of replacing parts according to the present invention, in the maintenance method using a valve made of a structure capable of replacing parts, such as a disk, sealing, provided in the valve without a single stage, provided in the valve Moving the replaced disk from a fitting part of the valve; Sequentially separating the cover part and the closing panel part from the coupling part that is a component of the valve; Installing a plugging device on an upper surface of the gate valve after installing the gate valve on the upper surface of the coupling part; Separating the plug coupled to the inside of the coupling part through the plugging device; Separating the plugging device from the gate valve and installing a disc replacement device; Replacing the disk to be replaced with a new disk by using the disk replacement device; Separating the disk replacement device from the gate valve and installing the plugging device to couple the plug inside the coupling part; Separating the plugging device from the gate valve and sequentially installing the closing panel part and the cover on an upper surface of the coupling part of the valve; And moving the replaced new disk to the conveying path of the fitting part through the lifting part of the valve. It is made, including.

In the maintenance method using a valve having a structure capable of replacing parts according to the present invention, the valve having a structure capable of replacing parts, the transfer path is formed therein, is connected to the pipe for transferring fluid or gas to the A fitting part for transferring the fluid or the gas through a transfer path; It is formed to be capable of lifting in the fitting portion, the lifting groove is formed on the outer circumferential surface, the lifting projection is formed in the fitting portion is formed so that the lifting projection is inserted into the lifting groove is possible to lift, the fitting portion A disk unit for blocking the transfer path; A coupling part detachably coupled to the fitting part, and a coupling part detachably coupled to one end portion formed to be orthogonal to both ends to which the pipe is selectively connected; A through hole is formed in the center, and a plurality of coupling protrusions are formed around the outer circumferential surface, and a seal is provided around the outer circumferential surface adjacent to the plurality of coupling protrusions, and a plurality of insertion grooves and a plurality of insertion protrusions are respectively formed in the coupling portion. A plug coupled to the insertion protrusion by rotation after the coupling protrusion is inserted into the insertion groove; A through hole is formed in the center, the cover portion is provided to be detachable to the coupling portion to seal the coupling portion; One end portion is rotatably coupled to the disc, and the other end portion corresponding to the one end portion coupled to the disc is a lifting portion for elevating the disc through the plug and the cover portion, each having a through hole; A through hole is formed in the center, and a plurality of protrusions are formed around the outer circumferential surface, a seal is formed around the outer circumferential surface adjacent to the plurality of protrusions, and a fixing groove is formed in the cover part to rotate the plurality of protrusions after insertion. Fixed part fixed by; And an adapter part detachably coupled to the lifting part exposed to the outside through the fixing part to rotate the lifting part. It consists of.

In the maintenance method using a valve having a structure capable of replacing parts according to the present invention, a through hole penetrating the lifting portion is formed in the center, interposed between the coupling portion and the cover portion, at least one or more sealing It is formed further includes a closing panel to block the leakage from the fitting portion.

In the maintenance method using a valve having a structure capable of replacing parts according to the invention, made of a metal material, is coupled between the disk and the lifting portion, the receiving groove is formed on one side of the upper end of the disk is formed And inserted through the receiving groove is accommodated, and further comprises an insert nut coupled to the lifting shaft of the lifting unit.

In the maintenance method using a valve made of a structure capable of replacing parts according to the present invention, the front surface of the fitting portion and the disc portion contacting the projection preventing projection and the groove is formed in each of the contact surface of the disc portion, but the transfer path of the fitting portion An anti-rolling protrusion is formed, and the anti-rolling groove is formed in the disc portion.

In the maintenance method using a valve having a structure capable of replacing parts according to the present invention, an elastic pipe having a stretchable tube is mounted to one end of both ends of the fitting portion to which the pipe is connected.

In the maintenance method using a valve having a structure capable of replacing parts according to the invention, the plugging device, the hollow shape, the housing coupled to the opening of the fitting in the state having the plug therein; An elevating part formed vertically in the housing to couple the plug to an end thereof, and elevating the plug; A lifting and lowering unit coupled to the lifting unit protruding an upper portion of the housing and rotating based on a center of the housing to lift the lifting unit; And coupled to the housing spaced apart from the elevating rotation unit, coupled to the elevating unit vertically elevating to the inside of the housing, and rotating the plug about the center of the housing to be fixed and released to the fitting. To rotate the plug; It consists of.

In the maintenance method using a valve having a structure capable of replacing parts according to the present invention, the elevating portion is divided into an upper pipe and a lower pipe, the pipe of any one of the upper pipe and the lower pipe is the outer circumference A pipe having a plurality of threads formed therein; A coupler connecting the upper pipe and the lower pipe, the plurality of handles of the plug rotating part rotated and coupled to each other; An adapter which is provided to penetrate the upper pipe and is detachably provided to the coupler and is coupled to the lifting and lowering unit; And a lifting shaft formed vertically in the pipe, one end of which is coupled to the upper pipe, and the other end of which is formed to protrude from the lower pipe. It consists of.

In the maintenance method using a valve having a structure capable of replacing parts according to the invention, the upper pipe of the upper pipe and the lower pipe is composed of a plurality of threads around the outer periphery, the upper pipe is composed of threads At least one lifting groove is formed around the outer circumferential surface thereof, and each of the lifting grooves is formed longer than the diameter.

The present invention has the effect of minimizing time loss and economic loss by quickly and simply replacing parts such as discs, seals, and the like embedded in the valve without a single number through the means for solving the above problems.

In addition, the present invention can replace various parts such as a disk or a sealing in the open state of the valve, there is an effect that does not require a separate device to block the fluid or gas transferred through the pipe.

Other effects of the present invention may be understood through the features of the present invention, more clearly understood through the embodiments of the present invention, and may be exerted by means and combinations indicated in the claims.

1 is a flow chart of an embodiment of a maintenance method using a valve made of a structure capable of replacing parts according to the present invention,
Figure 2 is a perspective view of one embodiment of a valve made of a structure capable of replacing parts according to FIG.
Figure 3 is a perspective view showing the separated state of the valve made of a structure capable of replacing parts according to FIG.
4 is a perspective view illustrating a lifting state of the disc part in the fitting part according to FIG. 2;
FIG. 5 is a perspective view illustrating an anti-logging protrusion and a disc preventing groove of the fitting part according to FIG. 2; FIG.
6 is a perspective view showing a state in which the expansion pipe is mounted on the fitting portion according to FIG.
7 is a perspective view of an embodiment of the plugging device according to FIG. 2;
8 is an exploded perspective view illustrating a separated state of the plugging device according to FIG. 7;
9 is a perspective view showing a state in which the plug is lowered by the rotation of the lifting unit rotation part of the plugging device according to FIG.
10 is a perspective view showing a state in which the plug is rotated by the rotation of the plug rotation of the plugging device according to FIG.
11 is a perspective view showing a coupling protrusion of the coupler according to FIG. 7.

DETAILED DESCRIPTION The following detailed description of the invention refers to the accompanying drawings that show, by way of illustration, specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. It is to be understood that the various embodiments of the present invention are different from one another but need not be mutually exclusive. For example, specific shapes, structures, and characteristics described herein may be implemented in other embodiments without departing from the spirit and scope of the present invention with respect to one embodiment. In addition, it is to be understood that the location or arrangement of individual components in each disclosed embodiment may be changed without departing from the spirit and scope of the invention. The following detailed description, therefore, is not to be taken in a limiting sense, and the scope of the present invention is defined only by the appended claims, along with the full scope of equivalents to which such claims are entitled. Like reference numerals in the drawings refer to the same or similar functions throughout the several aspects.

1 is a flow chart of an embodiment of a maintenance method using a valve made of a structure capable of replacing parts according to the present invention, Figure 2 is a perspective view of an embodiment of a valve made of a structure capable of replacing parts according to FIG. 3 is a perspective view showing a separated state of the valve made of a structure capable of replacing parts according to Figure 2, Figure 4 is a perspective view showing the lifted state of the disk in the fitting portion according to Figure 2, Figure 5 is a fitting according to Figure 2 Figure 6 is a perspective view showing a negative anti-slip projection and the groove of the disc anti-slip, Figure 6 is a perspective view showing a state in which the expansion pipe is mounted to the fitting portion according to Figure 2, Figure 7 is a perspective view of an embodiment of the plugging device according to Figure 2 8 is an exploded perspective view illustrating a separated state of the plugging device according to FIG. 7, and FIG. 9 is a plug of the lifting unit rotating part of the plugging device according to FIG. 7. 10 is a perspective view illustrating a state in which the plug descends, and FIG. 10 is a perspective view illustrating a state in which the plug rotates by the rotation of the plug rotation part of the plugging device according to FIG. 7, and FIG. 11 is a perspective view illustrating a coupling protrusion of the coupler according to FIG. 7.

Maintenance method (S100) using a valve made of a structure capable of replacing parts according to the present invention, as shown in Figure 1 to 11, the first moving step (S110), the first separation step (S120), 1 installation step (S130), the second separation step (S140), the second installation step (S150), replacement step (S160), coupling step (S170), the third installation step (S180), the second moving step (S190) It is made, including.

The first moving step (S110) is a maintenance method using a valve made of a structure capable of replacing parts, such as a disc and a seal, provided in the valve without a single stage. The valve 100 is replaced with a disc to be replaced in the valve 100. The step of moving from the fitting portion 110 which is a component of the.

The valve 100 having a structure capable of replacing parts includes a fitting part 110, a disc part 120, a coupling part 130, a plug 140, a cover part 150, a lifting part 160, and a fixing part ( 170) and the adapter unit 180.

The fitting part 110 is made of a metal material or a synthetic resin material, and a conveying path 111 is formed therein, and is connected to a pipe for conveying a fluid or a gas to convey the fluid or gas through the conveying path 111.

Flange 113 is formed so that the pipe can be connected to both sides of the fitting portion 110, the flange 113 of both sides is formed to be flat.

This is to ensure that the floor is not well shaken on the floor of the uneven installation site and at the same time to prevent the weight chain fitting portion 110 is not shaken to prevent safety accidents.

Flange 113 is formed on both sides of the fitting portion 110, the lower portion of the connecting portion 114 connecting the flange 113 on both sides is formed flat, which supports a separate splint at the installation site, at this time This is for easy support.

Since the lower portion of the connection part 114 of the fitting part 110 is formed flat, not only does it provide convenience for work but also shake does not occur, thereby preventing a safety accident.

At least one clasp L is formed on the fitting part 110 or the cover part 150 to be described below. This is a fitting part 110, a cover part 150, or a combination of a weight body such as a crane or a crane. This is to make it easy to hang when using a separate equipment.

The anti-rolling protrusion 115 and the anti-rolling groove 123 are formed on one surface of each of the fitting paths 110 and the disc 120 in contact with each other, and the transfer path 111 of the fitting unit 110 is provided. An anti-rolling protrusion 115 is formed in the anti-rolling groove 123 in the disc part 120.

This is to prevent the disk 120 from being pushed out of the conveying path 111 of the fitting part 110 due to the high pressure fluid or gas.

One end of one of the both ends of the fitting portion 110 is connected to the pipe, that is, the elastic pipe (P) is mounted on the flange 113.

Stretch pipe (P) is formed to facilitate the connection of pipes of different diameters.

In the present invention, the expansion pipe (P) is exemplified as being easily connected to the pipe of different diameters, the fitting portion 110 due to the noise, vibration, expansion of the tube, etc. generated in the fitting portion 110 It also serves to prevent damage to the entire valve including.

In another embodiment of the fitting portion, it is formed in the same disk shape as the shape of the coupling portion 130 to be described below.

The fitting part formed in the same disk shape as that of the coupling part 130 may also be deformed into a cylindrical shape or a branched shape of the disk part 120 which is elevated in the fitting part.

The disk unit 120 is formed to be capable of lifting in the fitting unit 110, the lifting groove 121 is formed on the outer circumferential surface, the lifting projection 112 is formed inside the fitting unit 110 is the lifting groove ( The lifting protrusion 112 of the fitting part 110 is inserted into the lifting part 121, and the lifting protrusion 112 is inserted to block the transfer path 111 of the fitting part 110.

The disk unit 120 is made of a rubber material, and serves to block the fluid or gas transferred into the fitting unit 110 while being inserted into the fitting unit 110.

The disk portion 120 has a lifting groove 121 is formed on the outer circumferential surface, in detail, it is formed on both sides of the disk portion 120 is inserted into the lifting projections 112 of the fitting portion 110 is easy without bias to one side Is elevated.

The disk 120 has a hollow formed in the center thereof, and the lifting shaft 161 of the lifting unit 160, which will be described below, penetrates.

The coupling part 130 is detachably coupled to the fitting part 110, and is detachably coupled to one end formed perpendicular to both ends to which the pipe is selectively connected.

Looking specifically, the coupling portion 130 is detachably coupled to the upper end of the fitting portion 110, it is tightly coupled using a plurality of coupling means such as bolts or screws.

The upper portion of the coupling portion 130 is formed in a disk shape, the lower portion is formed in an elliptical shape, such as the fitting portion 110 is coupled.

Coupling portion 130 has a plurality of insertion grooves 131 and a plurality of insertion protrusions 132 are formed in the upper portion formed in a disk shape.

Plug 140 has a through hole 141 is formed in the center, a plurality of coupling protrusions 142 is formed around the outer peripheral surface, the rubber packing (R) is provided around the outer peripheral surface adjacent to the plurality of coupling protrusions 142 The coupling protrusion 142 of the plug 140 is inserted into the insertion groove 131 and then coupled to the insertion protrusion 132 by rotation.

The plug 140 is firmly fixed to the inside of the coupling portion 130 through a plurality of coupling protrusions 142 formed around the outer circumferential surface.

Rubber packing (R) to prevent the leakage of the fluid or gas by eliminating the separation of the parts in contact with the inner diameter of the plug 140 and the coupling portion 130.

Cover portion 150 has a through-hole is formed in the center, the coupling portion 130 is detachably provided to seal the coupling portion 130.

Looking specifically, the cover portion 150 is formed in a cylindrical shape, the lower portion is formed in a disk shape, the upper portion is smaller than the diameter of the lower portion.

The upper portion of the cover portion 150 formed in a cylindrical shape is fixed while the fixing groove 151 is formed therein, the fixing portion 170 to be described below is rotated after insertion.

The lower portion of the cover portion 150 formed in the shape of a disc is formed through a plurality of coupling means such as bolts and nuts in a state in which a plurality of holes are formed to match the holes formed in the finishing panel portion 190 and the coupling portion 130, respectively. Tighten tightly.

One end portion of the elevating portion 160 is rotatably coupled to the disc portion 120, and the other end portion corresponding to the one end portion coupled to the disc portion 120 has a plug 140 and a lid portion formed with through holes 141, respectively. Penetrates 150.

The elevating unit 160 is provided on the cover unit 150 to elevate the disk unit 120. The elevating unit 160 is made of a metal material and has an upper portion formed in a quadrangular shape to be separated from the adapter unit 180 described below. Coupled to the lower portion, a lifting shaft 161 in which a plurality of threads are formed is formed.

The fixing part 170 has a through hole 171 formed at the center of the plug 140, and a plurality of protrusions 172 are formed around the outer circumferential surface thereof, and a rubber packing is disposed around the outer circumferential surface of the plurality of protrusions 172. (R) is formed, and a plurality of protrusions 172 are inserted into the fixing grooves 151 of the lid part 150 and then rotated to be fixed.

The adapter unit 180 is detachably coupled to the lifting unit 160 exposed through the fixing unit 170 to the outside to rotate the lifting unit 160.

The adapter unit 180 is detachably coupled to the elevating unit 160. The same shape as the upper portion of the elevating unit 160 is also formed inside the adapter unit 180, and is detachably coupled to the elevating unit 160. It will be.

The finishing panel 190 has a through hole 191 through which the lifting unit 160 penetrates is formed in the center thereof, is interposed between the coupling unit 130 and the cover unit 150, and at least one rubber packing is formed. To block leakage from the fitting part 110.

Insert nut (N) is made of a metal material, is coupled between the disk portion 120 and the lifting portion 160, the receiving groove 122 is opened on one surface at the upper end of the disk portion 120 is formed It is inserted and received through the groove 122, and is coupled to the lifting shaft 161 of the lifting unit 160.

The first separation step S120 is a step of sequentially separating the cover part 150 and the closing panel part 190 from the coupling part 130 that is a component of the valve 100.

Looking specifically, the cover portion 150 and the closing panel portion 190 coupled to the coupling portion 130 through a coupling means such as a bolt or nut releases the coupling state through the rotation of the coupling means cover portion 150 Separates the finishing panel 190 and sequentially.

The first installation step (S130) is a step of installing the plugging device 200 on the upper surface of the gate valve after installing the gate valve on the upper surface of the coupling portion 130.

The plugging device 200 includes a housing 210, a lifting unit 220, a lifting rotating unit 230, and a plug rotating unit 240.

The housing 210 is radially coupled to the flange 211 around the housing 210, and is coupled to the gate valve through a plurality of bolts while being matched with the radially formed hole.

The housing 210 has an ordered structure, and is installed to allow the lifting unit 260 to move up and down through the housing 210, and at the same time, no leakage occurs.

The housing 210 has a valve or pressure gauge coupled to the flange 211 spaced apart around the outer circumference.

The housing 210 has a through hole 212 formed around an outer circumferential surface thereof so that the coupler 222 of the elevating part 220 inserted into the housing 210 through a plug rotation part 240, that is, a handle penetrated through the housing 210. ) Is combined.

Lift 220 is formed vertically in the interior of the housing 210, the plug 140 is coupled to the end, elevating the plug 140.

The lifting unit 220 includes a pipe 221, a coupler 222, an adapter 223, and a lifting shaft 224.

The pipe 221 is divided into an upper pipe 221a and a lower pipe 221b, and the upper pipe 221a of the upper pipe 221a and the lower pipe 221b has a plurality of threads formed on its outer periphery.

The upper pipe 221a is formed with at least one lifting groove 221a 'around the outer circumferential surface thereof, each formed longer than the diameter, preferably formed in the longitudinal direction.

The lifting groove 221a 'of the upper pipe 221a is coupled to the coupling protrusion 222a protruding in the coupler 222.

The coupler 222 connects the upper pipe 221a and the lower pipe 221b, and the plug rotation part 240 composed of a plurality of handles is rotated and coupled.

Specifically, the coupler 222 is formed with a plurality of coupling grooves 223a around the outer circumferential surface, and a plurality of handles of the plug rotating part 240 are integrally formed with the coupling groove 223a through rotation by forming a screw thread at an end thereof. Combined.

Coupling groove 223a of the coupler 222 is preferably made of the same number as the handle of the plug rotating portion 240.

The coupler 222 is rotated in the through hole curvature direction of the housing 210 by the rotation of the handle of the plug rotating part 240.

The coupler 222 which is vertically formed in the interior of the housing 210 does not descend downward by being caught by a locking jaw formed in the interior of the housing 210.

The coupler 222 supports a rotational movement in a state where a bearing is provided and attached to the adapter 223 which will be described below.

The adapter 223 is provided to penetrate the upper pipe 221a, and is detachably provided to the coupler 222, and is coupled to the lifting and lowering unit 230.

The coupler 222 has a space formed therein, and the adapter 223 descending in the direction of the coupler 222 is attached while being inserted into the space of the coupler 222, and a bearing provided in the coupler 222 is attached.

The coupler 222 to which the adapter 223 is attached is kept in a state of being caught by the locking jaw of the housing 210, and the adapter 223 is lowered in the direction of the coupler 222 that is caught by the locking jaw and attached to the coupler 222. .

The adapter 223 has a plurality of coupling grooves 223a formed around the outer circumference thereof, and the coupling grooves 223a have a hemispherical shape.

The coupling groove 223a of the adapter 223 is integrally coupled with the coupling of the plurality of coupling bolts in a state coinciding with the hole formed in the cover 231 of the lifting and lowering portion 230 to be described below.

The adapter 223 is provided with a bearing like the coupler 222 to support the rotational movement.

The lifting shaft 224 is vertically formed in the inside of the pipe 221, one end is coupled to the upper pipe 221a, and the other end is formed to protrude from the lower pipe 221b.

Specifically, the lifting shaft 224 is one end is formed with a flange is coupled to the upper portion of the upper pipe 221a of the pipe 221 through a plurality of coupling bolts, the other end is formed with a screw thread is the lower pipe (221b) Protruding from the outside.

The other end of the lifting shaft 224 protruding outward is rotatably coupled to the plug 140.

The lift rotating unit 230 is coupled to the lifting unit 220 protruding from the upper portion of the housing 210, and rotates based on the center of the housing 210 to lift the lifting unit 220.

Looking specifically, the lifting rotary unit 230 is composed of a cover 231, the handle 232.

The cover 231 is opened in a lower portion in a ring shape, and the lifting unit 220 penetrates.

The cover 231 covers the adapter 223 of the lifting unit 220 protruding from the housing 210, and matches a plurality of holes formed in the upper surface of the cover 231 with the coupling groove 223a of the adapter 223. Join through a plurality of coupling bolts in the state.

The handle 232 is coupled through rotation to a hole formed radially around the outer circumferential surface of the cover 231.

The plug rotating part 240 is coupled to the housing 210 in a spaced apart state from the lifting rotating part 230, coupled to the lifting part 220 vertically elevated in the interior of the housing 210, and fixed to the valve 100. The plug 140 is rotated with respect to the center of the housing 210 to enable release.

Specifically, the plug rotating part 240 is composed of a plurality of handles, the plurality of handles are composed of the same number as the through-hole 212 formed around the outer peripheral surface of the housing 210, the ends of the plurality of handles the housing ( Through the through hole 212 of the 210 is coupled to the coupling groove 222b formed around the outer peripheral surface of the coupler 222 of the lifting unit 220 formed in the interior of the housing 210 by rotation.

While the plug 140 is moved downward and is exposed from the housing 210 and inserted into the opening of the valve 100, the plug rotating part 240 holds the one or more of the plurality of handles by hand. It rotates in the through hole 212 with respect to the center of the 210 to rotate the plug 140.

The plug 140 due to the rotation of the plug rotating part 240 is rotated due to the rotation of the plug body of the plug 140 is fixed to the fitting part 110 is not separated from the fitting part 110. .

On the contrary, the plug 140 due to the reverse rotation of the plug rotating part 240 is rotated due to the reverse rotation of the plug body, so that the fixing of the fitting part 110 is dismantled, thereby leaving the fitting part 110. do.

The second separation step S140 is a step of separating the plug 140 coupled to the inside of the coupling unit 130 through the plugging device 200.

The plug 140 coupled to the inside of the coupling unit 130 is coupled to the end of the elevating unit 220, which is a component of the plugging device 200, by the elevating unit 220. While lifting, it is separated from the fitting part 110.

Plug 140 is composed of a plug body, rubber packing (R) and the engaging portion 142.

The plug body is a circular plate, and is coupled to the fitting part 110 provided in the pipe for transporting the gas (gas) or the fluid (liquid), and is coupled to the gate valve stacked in multiple layers.

The plug body is formed to be the same as or smaller than the opening diameter of the fitting portion 110 and is easily inserted into and coupled to the opening of the fitting portion 110.

The rubber packing R is fitted into a packing groove formed around the outer circumferential surface of the plug body.

Rubber packing (R) to prevent the leakage of gas or fluid by eliminating the separation of the parts in contact with the inner diameter of the opening of the plug body and the fitting portion 110.

At least one catching part 142 protrudes from the outer circumferential surface of the plug body and is inserted into an insertion groove formed in the opening of the fitting part 110 and fixed to the fitting by the rotation of the plug body.

The second installation step (S150) is a step of installing the disk replacement device after separating the plugging device 200 from the gate valve.

Specifically, in the second installation step S150, the plugging device 200 is separated from the gate valve in a state where the plug 140 is separated from the coupling unit 130 using the plugging device 200, and the disk is replaced. Install the replacement device.

Replacement step (S160) is a step of replacing the disk unit (disk, 120) to be replaced with a new disk unit (disk) by using a disk replacement device.

Replacement step (S160) is provided in the interior of the valve 100 to replace the disk portion, which is a replacement target that does not properly perform the role of the disk unit 120, such as wear the surface with a new disk unit.

Coupling step (S170) is a step of coupling the plug 140 to the inside of the coupling portion 130 by installing a plugging device 200 after separating the disk replacement device from the gate valve.

Coupling step (S170) is replaced with a new disk in the valve 100 through the disk replacement device after separating the gate valve from the coupling unit 130 and install the plugging device 200 in its place plugging device 200 Couple the plug 140 to the inside of the valve 100 by using.

The third installation step (S180) is a step of sequentially installing the closing panel 190 and the cover 150 on the upper surface of the coupling portion 130 of the valve 100 after removing the plugging device 200 from the gate valve. .

In the third installation step S180, after the plug 140 is coupled to the inside of the valve 100, the closing panel part is coupled to the coupling part 130 of the valve 100 in a state in which the plugging device 200 is separated from the gate valve. In the state in which the 190 and the cover 150 are matched, the coupling is coupled through a plurality of coupling means such as bolts and nuts.

The second moving step S190 is a step of moving the replaced new disk to the conveying path 111 of the fitting part 110 through the lifting part 160 of the valve 100.

The second moving step (S190) is a finishing step, by rotating the adapter 223 that is detachably coupled to the lifting unit 160 to lower the replaced disk to the bottom of the lifting unit 160 to the inside of the valve 100 Seal it.

In the above described the present invention based on the preferred embodiment, the technical idea of the present invention is not limited to this, it is possible to change or change within the scope of the claims that have ordinary knowledge in the technical field to which the present invention belongs. It will be apparent to those skilled in the art, and such modifications and variations will belong to the appended claims.

S100: Maintenance method using a valve that can be replaced parts
S110: first moving step
S120: first separation step
S130: first installation step
S140: second separation step
S150: second installation step
S160: replacement step
S170: combining step
S180: third installation step
S190: second moving step
100: valve having a structure capable of replacing parts
110: fitting part
111: transfer path
112: lifting projection
113: flange
114: connection portion
115: jungle prevention protrusion
120: disk unit
121: lifting home
122: receiving home
123: jungle prevention groove
130: coupling part
131: Insertion groove
132: insertion protrusion
140: plug
141: through hole
142: engaging projection
150: cover part
151: fixing groove
160: lift
161: lifting shaft
170: fixed part
171: through hole
172: protrusion
180: adapter unit
190: finishing panel
191: through hole
L: Hasp
N: Insert Nut
P: Extension pipe
R: Rubber Packing
200: plugging device
210: housing
211: flange
212 through hole
220: lifting unit
221: pipe
221a: upper pipe
221a ': Lifting groove
221b: lower pipe
222: Coupler
222a: engaging projection
222b: Coupling Groove
223: Adapter
223a: coupling groove
224: lifting shaft
230: lifting and lowering part
231: cover
232: handle
240: plug rotation part
250: finish panel

Claims (9)

In the maintenance method using a valve made of a structure capable of replacing parts such as discs and seals provided in the valve without a single stage,
Moving a disk to be replaced provided in the valve from a fitting part that is a component of the valve;
Sequentially separating the cover part and the closing panel part from the coupling part that is a component of the valve;
Installing a plugging device on an upper surface of the gate valve after installing the gate valve on the upper surface of the coupling part;
Separating the plug coupled to the inside of the coupling part through the plugging device;
Separating the plugging device from the gate valve and installing a disc replacement device;
Replacing the disk to be replaced with a new disk by using the disk replacement device;
Separating the disk replacement device from the gate valve and installing the plugging device to couple the plug inside the coupling part;
Separating the plugging device from the gate valve and sequentially installing the closing panel part and the cover on an upper surface of the coupling part of the valve; And
Moving the replaced new disc through a lifting portion of the valve to a transport path of the fitting portion; Maintenance method using a valve made of a structure capable of replacing parts, characterized in that comprises a. The method of claim 1,
The valve made of a structure capable of replacing parts,
A fitting part having a conveying path formed therein and connected to a pipe for conveying a fluid or a gas to convey the fluid or the gas through the conveying path;
It is formed to be capable of lifting in the fitting portion, the lifting groove is formed on the outer circumferential surface, the lifting projection is formed in the fitting portion is formed so that the lifting projection is inserted into the lifting groove, the lifting projection is possible, the fitting portion A disk unit for blocking the transfer path;
A coupling part detachably coupled to the fitting part, the coupling part detachably coupled to one end portion formed at right angles to both ends to which the pipe is selectively connected;
A through hole is formed in the center, and a plurality of coupling protrusions are formed around the outer circumferential surface, and a seal is provided around the outer circumferential surface adjacent to the plurality of coupling protrusions, and a plurality of insertion grooves and a plurality of insertion protrusions are respectively formed in the coupling portion. A plug coupled to the insertion protrusion by rotation after the coupling protrusion is inserted into the insertion groove;
A through hole is formed in the center, the cover portion is provided to be detachable to the coupling portion to seal the coupling portion;
One end portion is rotatably coupled to the disc, and the other end portion corresponding to the one end portion coupled to the disc is a lifting portion for elevating the disc through the plug and the cover portion, each having a through hole;
A through hole is formed in the center, and a plurality of protrusions are formed around the outer circumferential surface, a seal is formed around the outer circumferential surface adjacent to the plurality of protrusions, and a fixing groove is formed in the cover part to rotate the plurality of protrusions after insertion. Fixed part fixed by; And
An adapter part which is detachably coupled to the lifting part exposed to the outside through the fixing part to rotate the lifting part; Maintenance method using a valve made of a structure capable of replacing parts, characterized in that consisting of. The method of claim 2,
A through-hole through which the lifting part passes through is formed in the center, and is interposed between the coupling part and the cover part, and at least one seal is formed to further include a closing panel part for blocking leakage from the fitting part. Maintenance method using a valve made of a structure capable of replacing parts. The method of claim 2,
It is made of a metal material, coupled between the disk and the lifting unit, the receiving groove is formed on one side of the upper end of the disk is inserted into the accommodation groove is inserted into the receiving shaft, the insert is coupled to the lifting shaft Maintenance method using a valve made of a replaceable structure, characterized in that it further comprises a nut. The method of claim 2,
The anti-rolling protrusion and the anti-rolling groove are formed on each of the surfaces of the fitting portion and the disk contacted with the conveying path, the anti-peeling protrusion is formed in the conveying path of the fitting part, the anti-rolling groove is formed in the disc portion Maintenance method using a valve made of a structure that can be replaced parts. The method of claim 2,
Maintenance method using a valve made of a replaceable structure, characterized in that the elastic pipe is mounted on one end of either end of the fitting portion to which the pipe is connected. The method of claim 1,
The plugging device,
A hollow shape, the housing being coupled to the opening of the fitting with the plug therein;
An elevating part formed vertically in the housing to couple the plug to an end thereof, and elevating the plug;
A lifting and lowering unit coupled to the lifting unit protruding an upper portion of the housing and rotating based on the center of the housing to lift the lifting unit; And
Is coupled to the housing spaced apart from the lifting and rotating portion, coupled to the lifting portion vertically elevated in the interior of the housing, to rotate the plug relative to the center of the housing to be fixed and released to the fitting Plug rotating part; Maintenance method using a valve made of a structure capable of replacing parts, characterized in that consisting of. The method of claim 7, wherein
The lifting unit,
The pipe is divided into an upper pipe and a lower pipe, wherein any one of the upper pipe and the lower pipe includes a pipe having a plurality of threads formed on its outer periphery;
A coupler connecting the upper pipe and the lower pipe, the plurality of handles of the plug rotating part rotated and coupled to each other;
An adapter which is provided to penetrate the upper pipe and is detachably provided to the coupler and is coupled to the lifting and lowering unit; And
A lifting shaft formed vertically in the pipe, one end of which is coupled to the upper pipe, and the other end of which is formed to protrude from the lower pipe; Maintenance method using a valve made of a structure capable of replacing parts, characterized in that consisting of. The method of claim 8,
Among the upper pipe and the lower pipe, the upper pipe is formed with a plurality of threads around the outer periphery, and the upper pipe is formed with at least one lifting groove around the outer circumferential surface of which the threads are formed, each formed longer than the diameter. Maintenance method using a valve made of a structure capable of replacing parts, characterized in that.

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